M3A1 “Grease Gun" in 1 Minute #Shorts
This guide details the operation of the M3A1 Grease Gun, a WWII-era submachine gun chambered in .45 ACP. It covers cocking the bolt via the thumb hole, engaging the safety by closing the ejection port cover, and the full-auto-only fire mode. The guide also highlights the integrated magazine loading tool and emphasizes crucial safety protocols for handling this historical firearm.












